outputmix.c revision 104c000a6f36b871ca11e0394db1e5217f374caf 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17// output mix interface tests
18
19#include "SLES/OpenSLES.h"
20#include "SLES/OpenSLESUT.h"
21#include <assert.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <string.h>
25
26int main(int argc, char **argv)
27{
28    // create engine
29    SLObjectItf engineObject;
30    SLresult result;
31    result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL);
32    assert(SL_RESULT_SUCCESS == result);
33    printf("Engine object %p\n", engineObject);
34    // realize engine
35    result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE);
36    assert(SL_RESULT_SUCCESS == result);
37    // get engine interface
38    SLEngineItf engineEngine;
39    result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine);
40    assert(SL_RESULT_SUCCESS == result);
41    // query supported interfaces on output mix object ID and display their IDs
42    SLuint32 numSupportedInterfaces;
43    result = (*engineEngine)->QueryNumSupportedInterfaces(engineEngine, SL_OBJECTID_OUTPUTMIX,
44            &numSupportedInterfaces);
45    assert(SL_RESULT_SUCCESS == result);
46    printf("Output mix supports %lu interfaces:\n", numSupportedInterfaces);
47    SLuint32 i;
48    for (i = 0; i < numSupportedInterfaces; ++i) {
49        SLInterfaceID interfaceID;
50        result = (*engineEngine)->QuerySupportedInterfaces(engineEngine, SL_OBJECTID_OUTPUTMIX, i,
51                &interfaceID);
52        assert(SL_RESULT_SUCCESS == result);
53        printf(" [%lu] = ", i);
54        slesutPrintIID(interfaceID);
55    }
56    // create output mix, requesting no explicit interfaces
57    SLObjectItf outputMixObject;
58    result = (*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, 0, NULL, NULL);
59    assert(SL_RESULT_SUCCESS == result);
60    printf("Output mix object %p\n", outputMixObject);
61    // get object interface before realization
62    SLObjectItf outputMixObject2;
63    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_OBJECT, &outputMixObject2);
64    assert(SL_RESULT_SUCCESS == result);
65    assert(outputMixObject2 == outputMixObject);
66    // get any other interface before realization should fail
67    SLOutputMixItf outputMixOutputMix;
68    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_OUTPUTMIX,
69            &outputMixOutputMix);
70    assert(SL_RESULT_PRECONDITIONS_VIOLATED == result);
71    // realize the output mix
72    result = (*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE);
73    assert(SL_RESULT_SUCCESS == result);
74    // get each expected implicit interface
75    outputMixObject2 = NULL;
76    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_OBJECT, &outputMixObject2);
77    assert(SL_RESULT_SUCCESS == result);
78    assert(outputMixObject2 == outputMixObject);
79    SLDynamicInterfaceManagementItf outputMixDynamicInterfaceManagement;
80    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_DYNAMICINTERFACEMANAGEMENT,
81            &outputMixDynamicInterfaceManagement);
82    assert((SL_RESULT_SUCCESS == result) || (SL_RESULT_FEATURE_UNSUPPORTED) == result);
83    if (SL_RESULT_SUCCESS == result) {
84        printf("Output mix supports dynamic interface management\n");
85    } else {
86        printf("Output mix does not support dynamic interface management\n");
87    }
88    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_OUTPUTMIX,
89            &outputMixOutputMix);
90    assert(SL_RESULT_SUCCESS == result);
91    // get explicit and optional interfaces should fail since not requested at creation
92    SLEnvironmentalReverbItf outputMixEnvironmentalReverb;
93    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,
94            &outputMixEnvironmentalReverb);
95    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
96    SLEqualizerItf outputMixEqualizer;
97    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_EQUALIZER,
98            &outputMixEqualizer);
99    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
100    SLPresetReverbItf outputMixPresetReverb;
101    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_PRESETREVERB,
102            &outputMixPresetReverb);
103    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
104    SLVirtualizerItf outputMixVirtualizer;
105    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_VIRTUALIZER,
106            &outputMixVirtualizer);
107    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
108    SLVolumeItf outputMixVolume;
109    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_VOLUME,
110            &outputMixVolume);
111    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
112    SLBassBoostItf outputMixBassBoost;
113    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_BASSBOOST,
114            &outputMixBassBoost);
115    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
116    SLVisualizationItf outputMixVisualization;
117    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_VISUALIZATION,
118            &outputMixVisualization);
119    assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
120    // destroy output mix
121    (*outputMixObject)->Destroy(outputMixObject);
122    // re-create output mix, this time requesting implicit interfaces as "hard" requirements (must
123    // be there), and explicit interfaces as "soft" requirements (OK if not available)
124    SLInterfaceID ids[10] = {SL_IID_OBJECT, SL_IID_DYNAMICINTERFACEMANAGEMENT, SL_IID_OUTPUTMIX,
125            SL_IID_ENVIRONMENTALREVERB, SL_IID_EQUALIZER, SL_IID_PRESETREVERB, SL_IID_VIRTUALIZER,
126            SL_IID_VOLUME, SL_IID_BASSBOOST, SL_IID_VISUALIZATION};
127    SLboolean req[10] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_FALSE /*SL_BOOLEAN_TRUE*/, SL_BOOLEAN_TRUE,
128            SL_BOOLEAN_TRUE/*FALSE*/, SL_BOOLEAN_FALSE, SL_BOOLEAN_FALSE, SL_BOOLEAN_FALSE,
129            SL_BOOLEAN_FALSE, SL_BOOLEAN_FALSE, SL_BOOLEAN_FALSE};
130    result = (*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, 10, ids, req);
131    assert(SL_RESULT_SUCCESS == result);
132    printf("Output mix object %p\n", outputMixObject);
133    // realize the output mix
134    result = (*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE);
135    assert(SL_RESULT_SUCCESS == result);
136    // get implicit interfaces
137    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_OBJECT,
138            &outputMixObject2);
139    assert(SL_RESULT_SUCCESS == result);
140    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_DYNAMICINTERFACEMANAGEMENT,
141            &outputMixDynamicInterfaceManagement);
142    assert((SL_RESULT_SUCCESS == result) || (SL_RESULT_FEATURE_UNSUPPORTED) == result);
143    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_OUTPUTMIX,
144            &outputMixOutputMix);
145    assert(SL_RESULT_SUCCESS == result);
146    // get explicit and optional interfaces should succeed since they were requested at creation
147    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB,
148            &outputMixEnvironmentalReverb);
149    assert(SL_RESULT_SUCCESS == result);
150    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_EQUALIZER,
151            &outputMixEqualizer);
152    assert(SL_RESULT_SUCCESS == result);
153    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_PRESETREVERB,
154            &outputMixPresetReverb);
155    assert(SL_RESULT_SUCCESS == result);
156    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_VIRTUALIZER,
157            &outputMixVirtualizer);
158    assert(SL_RESULT_SUCCESS == result);
159    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_VOLUME,
160            &outputMixVolume);
161    assert((SL_RESULT_SUCCESS == result) || (SL_RESULT_FEATURE_UNSUPPORTED) == result);
162    if (SL_RESULT_SUCCESS == result) {
163        printf("Output mix supports volume\n");
164    } else {
165        printf("Output mix does not support volume\n");
166    }
167    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_BASSBOOST,
168            &outputMixBassBoost);
169    assert(SL_RESULT_SUCCESS == result);
170    result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_VISUALIZATION,
171            &outputMixVisualization);
172    assert((SL_RESULT_SUCCESS == result) || (SL_RESULT_FEATURE_UNSUPPORTED) == result);
173    if (SL_RESULT_SUCCESS == result) {
174        printf("Output mix supports visualization\n");
175    } else {
176        printf("Output mix does not support visualization\n");
177    }
178    // use the OutputMix interface on output mix object, in order to get code coverage
179    SLint32 numDevices = 1;
180    SLuint32 deviceIDs[1];
181    result = (*outputMixOutputMix)->GetDestinationOutputDeviceIDs(outputMixOutputMix, &numDevices,
182            deviceIDs);
183    assert(SL_RESULT_SUCCESS == result);
184    assert(1 == numDevices);
185    assert(SL_DEFAULTDEVICEID_AUDIOOUTPUT == deviceIDs[0]);
186    result = (*outputMixOutputMix)->RegisterDeviceChangeCallback(outputMixOutputMix, NULL, NULL);
187    assert(SL_RESULT_SUCCESS == result);
188    result = (*outputMixOutputMix)->ReRoute(outputMixOutputMix, 1, deviceIDs);
189    assert(SL_RESULT_SUCCESS == result);
190    // destroy output mix
191    (*outputMixObject)->Destroy(outputMixObject);
192    // destroy engine
193    (*engineObject)->Destroy(engineObject);
194    return EXIT_SUCCESS;
195}
196